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(Upload on November 28 2023) [ 日本語 | English ]

Dryopteris Adans. (オシダ) Okumawarabi (オクマワラビ, 雄熊蕨), uniform wood fern Lifeform: rhizomatous, evergreen perennial fern Distribution: northeastern China - Korea - Japan Habitat: forest floor and edge Chromosome number: n = 82

Synonyms: Dryopteris uniformis (Makino) Makino var. crispata Ogata f. coreana H. Itô (マルバオクマワラビ) cv cristata Putative hybrids D. × gotenbaensis Nakaike (インノオクマワラビ) D. × miyagiensis Nakaike, nom. nud. (タニオクマワラビ) D. × pseudouniformis Nakaike, nom. nud. (ミヤマオクマワラビ)

Dryopteris uniformis in Japan

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[1-3] at the middle of Mount Mihara, Izu-Oshima Island (伊豆大島), on June 7 2023.